急性胰腺炎患者出现下述何种症状为重症和预后不良的征兆
A．代谢性酸中毒B．代谢性碱中毒C．低钾血症D．低钙血症E．低钠血症
参考答案：D
—Why did you buy apples for Tom? Don't you know his favourite fruit is oranges.
—Yes, I know. But there was ______ left in the shop. [ ]
A. nothing
B. none
C. anything
D. something
处理工程项目管理组织调整中的矛盾，首先应考虑（）。
A．公司利益
B．项目经理意见
C．客户利益
D．项目主管意见
